One-Knee Throwing Progression
Ages 7 and up · Two gloves, a ball, and a partner (or wall target) 15-25 feet away; soft ground or a mat for the knee
The one-knee progression is how throwing mechanics get taught everywhere from tee-ball fields to pro camps: kneeling on the throwing-side knee removes the legs so the upper half (the turn, the arm swing, the elbow height, the follow-through across the body) can be built piece by piece, then the legs get added back to a pattern that already works.
For parents it is the answer to "how do I actually fix a throw": pushy, elbow-low, all-arm throws almost always clean up in two weeks of one-knee sets, because the drill makes each piece visible and correctable at catch-play intensity.
How to run it
- Kneel on the THROWING-side knee, other foot planted ahead, body turned sideways to the target (front shoulder pointing at it).
- Throw with the full upper-body pattern: ball swings down, back, and up (elbow reaching shoulder height), front shoulder stays closed until the throw, then the arm comes through with the hand finishing across the opposite thigh.
- Ten throws grading one piece at a time: session one, the elbow height; session two, the closed front side; session three, the across-the-body finish.
- Stand up to both feet, sideways, feet planted: ten throws with the same pattern plus a weight shift back-to-front.
- Add the step: ten throws with the full pattern (turn sideways, step with the glove-side foot, throw). The progression re-runs as a warmup forever: knee, feet, step.
What to say
Common faults and fixes
Pushing the ball (elbow low, dart-throw shape).
The down-back-up swing exaggerated slowly from the knee: the ball touching the back hip, then reaching for the sky behind, then through. The knee position makes the swing trainable in a way standing never does.
Facing the target square-on (no closed front side, all arm).
The sideways set is checked before every throw at first: front shoulder points at the target like an arrow. Squareness is the root of half of all youth throwing trouble.
A finish that stops at release (the ball dies on a straight line to nowhere).
Grade the across-the-thigh finish itself for a set: the throw is over when the hand reaches the opposite pocket, not at release. Follow-through is free velocity and free accuracy.
Make it easier, make it harder
Closer targets, a softer or smaller ball for small hands, the glove-side knee down instead if balance struggles (then switch back).
Longer distances up the progression; accuracy targets (chest-high square) at each stage; the full crow-hop added after the step stage; or the progression run left-handed for ambidextrous fun and body awareness.
This page teaches the drill. ParentEdge builds it into a plan for your kid.
Built around their game, their goals, and what they’re working on.